Lawrence Crystal Receiver

Park Radio Corp.; Pittsburgh, Pennsylvania

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Country
United States of America (USA)

Manufacturer / Brand
Park Radio Corp.; Pittsburgh, Pennsylvania

Year
1923

Category
Detector-Radio (Crystal or diode, without tubes/transistors)

Radiomuseum.org ID
235619

Picture
Schematics

Lawrence Crystal Receiver ; Park Radio Corp.; (ID = 1450222) Crystal — Park Radio Corp.; Lawrence Crystal Receiver (2)
Ebay Item Number: 200921208259

Lawrence Crystal Receiver ; Park Radio Corp.; (ID = 1450223) Crystal — Park Radio Corp.; Lawrence Crystal Receiver (2)
Ebay Item Number: 200921208259

Lawrence Crystal Receiver ; Park Radio Corp.; (ID = 1450224) Crystal — Park Radio Corp.; Lawrence Crystal Receiver (2)
Ebay Item Number: 200921208259

Lawrence Crystal Receiver ; Park Radio Corp.; (ID = 1450225) Crystal — Park Radio Corp.; Lawrence Crystal Receiver (2)
Ebay Item Number: 200921208259

Lawrence Crystal Receiver ; Park Radio Corp.; (ID = 1450226) Crystal — Park Radio Corp.; Lawrence Crystal Receiver (2)
Ebay Item Number: 200921208259

Lawrence Crystal Receiver ; Park Radio Corp.; (ID = 1450227) Crystal — Park Radio Corp.; Lawrence Crystal Receiver (2)
Ebay Item Number: 200921208259

Lawrence Crystal Receiver ; Park Radio Corp.; (ID = 1450228) Crystal — Park Radio Corp.; Lawrence Crystal Receiver (2)
Ebay Item Number: 200921208259

Lawrence Crystal Receiver ; Park Radio Corp.; (ID = 1450229) Crystal — Park Radio Corp.; Lawrence Crystal Receiver (2)
Ebay Item Number: 200921208259

Lawrence Crystal Receiver ; Park Radio Corp.; (ID = 1450230) Crystal — Park Radio Corp.; Lawrence Crystal Receiver (2)
Ebay Item Number: 200921208259

Lawrence Crystal Receiver ; Park Radio Corp.; (ID = 1450231) Crystal — Park Radio Corp.; Lawrence Crystal Receiver (2)
Ebay Item Number: 200921208259

Lawrence Crystal Receiver ; Park Radio Corp.; (ID = 1450232) Crystal — Park Radio Corp.; Lawrence Crystal Receiver (2)
Ebay Item Number: 200921208259

Technical Specifications

Main principle
Crystal or Solid State Detector

Wave bands
Broadcast only (MW).

Power type and voltage
No Power needed

Loudspeaker
- For headphones or amp.

Material
Wooden case

from Radiomuseum.org
Model: Lawrence Crystal Receiver - Park Radio Corp.; Pittsburgh,

Shape
Tablemodel, Box - most often with Lid (NOT slant panel).

Dimensions (WHD)
13 x 6 x 5 inch / 330 x 152 x 127 mm

Notes
1923 "Lawrence" broadcast receiver made by the Park Radio Corporation of Pittsburgh. Park was a tiny manufacturer that produced 1-tube and 2-tube radios under the Paraco brand name, but this model, which features a fixed crystal detector mounted to the panel, is the only Park crystal currently known.

Author
Model page created by Alan Larsen. See "Data change" for further contributors.

Other Models
Here you find 2 models, 2 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Park Radio Corp.; Pittsburgh, Pennsylvania

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